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\bibitem{Ludemann_etal2004} Ludemann, T., Michiels, H. G., \& N{\"o}lken, W. (2004). Spatioal patterns of past wood exploitation, natural wood supply and growth conditions: indications of natural tree species distribution by anthraological studies of charcoal-burning remains. \textit{Eur J Forest Res}, \textit{123}, 283--292.

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